B4GALNT2 and cancer: Changes in the expression of the β4GalT genes have been reported in several types of cancers, such as lung cancer [7], liver cancer [8], breast cancer [9], leukemia [10], neuroblastoma [11], prostate cancer [12] and colon cancer [13, 14] and so on, correlated with cancer cell proliferation, metastasis, invasiveness and drug resistance.